WHAT WE OFFER

We are a specialized manufacturer of brass valves, HVAC plumbing fixtures, piping and industrial applications.

JL-B1069

Medium temperature:-20C≤t≤110°CMaximum working pressure : 2Mpa(20bar)Working medium:water,non-corrosive liquid
JL-B1715B

Medium temperature:-20C≤t≤110°CMaximum working pressure : 2Mpa(20bar)Working medium:water,non-corrosive liquid
JL-B1171

Medium temperature:-20C≤t≤110°CMaximum working pressure : 2Mpa(20bar)Working medium:water,non-corrosive liquid
JL-B1181

Medium temperature:-20C≤t≤110°CMaximum working pressure : 1Mpa(10bar)Working medium:water,non-corrosive liquid

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ABOUT DOVA

HEJIANG JIAFU HVAC CO.,LTD is located in Yuhuan –named valve city in China. We’re a manufacturer specialized in brass valves for heating and plumbing system for 22 years’ production in this field. we have built up a good reputation by devoting ourselves to the R&D, production, sales,service and OEM solutions since our establishment in 2004.

2004

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ENTERPRISE EQUIPMENT

According to the ISO 9001:2015 management system, we have full control over the process from incoming materials, forging, machining, and assembly to shipment. Our valves have passed CE, EN331, WRAS, and ACS certifications and are completely leak-tested during the production process. With the help of our in-house testing laboratory, we inspect valve quality professionally and efficiently.

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DOVA VALVE SERIES

We are a specialized manufacturer of brass valves, HVAc plumbing fixtures, pipes and industrial applications.

LATEST UPDATES

Provide you with the latest enterprise and industry news.

2026-09-18

Brass Mini Ball Valve Company: The Company Behind the Small Shutoff

A mini ball valve is small, quarter-turn, and brass. It goes under the sink, behind the toilet, on the ice maker line, on the water filter, on the compressed air drop. It sits there for years, untouched, until something needs isolating. A brass mini ball valve company makes these valves by the milli...
2026-09-11

Sale Brass Ball Valve Factory: The Factory That Turns Out the Quarter-Turn Shutoff

A brass ball valve is the workhorse of the plumbing trade. It opens and closes with a quarter turn. It goes on the water line, the gas line, the compressed air line. A sale brass ball valve factory produces these valves in volume, at a price the wholesale market can move. The factory forges the body...
2026-09-04

Brass Bibcock Manufacturer: The Tap That Lives on the Outside Wall

A bibcock is the tap on the exterior wall, the one the garden hose screws onto. It freezes in winter and bakes in summer. It gets yanked by the hose and ignored for months. A brass bibcock handles this life because brass resists corrosion, tolerates freezing better than steel, and does not crack und...